Sec-alkyl sodium sulfate
[化] O-仲烷基硫酸鈉
?? 詞語組成解析
SEC
[[sek]]
[計] 秒, 輔助\\n[化] 尺寸排阻色譜法
n. 烷基, 烴基\\na. 烷基的, 烴基的
sodium
['sod??m]
n. <化>鈉(11號元素，符號 Na);
sulfate
[['s?lfeit]]
n. 硫酸鹽, 硫酸脂\\n[化] 硫酸鹽; 硫酸鹽或酯、根
??? 情景例句
He's had so many colds and sore throats recently.
他最近常常感冒喉嚨痛。
Fifty-litre carboy would be the most economical size. Carboys may be retained without charge for two months.
50升的瓶子應是最經濟的尺碼，這些瓶子可免費保存兩個月。
While we were waiting to land,
在我們等待降落時，